Why does my Chevy Trailblazer not run properly?

Your Trailblazer’s engine creates a vacuum as it runs. The amount that is created is carefully thought out during the engine design process. When there is too much vacuum, it creates a situation where air is not coming in and being read by the MAF sensor, which causes the vehicle to run wrong and not accelerate.

What kind of engine does a Chevy Blazer have?

1996 Chevy Blazer. 6 cylinder engine. While driving on the highway my Chevrolet Blazers engine just shut off. I pull over, wait a minute, then start the engine and continue down the highway again. A minute later the engine shuts off again. This happens 7 or 8 times.

What causes a car engine to misfire while accelerating?

Misfires can happen when a vehicle is under load while accelerating. This causes slow or sluggish acceleration and your vehicle may have trouble getting up to speed. You might feel a jerking motion when pressing down on the throttle. The most common cause of an engine misfire when accelerating is worn-out spark plugs.

Why is my Chevy Vortec 4300 V6 leaking fuel?

In the L35 and LF6 engines, the spider injectors are known to leak at the pressure regulator and at the supply and return lines due to a design fault. Outside of leaking fuel onto the exterior of the engine itself, it can cause excess fuel to get sucked into the engine.

Why does my Chevy Blazer engine bog down when I hit the gas?

Take it to a good local mechanic (not a dealer) and see if this is one problem. My Blazer bogs down when you hit the gas and has trouble starting. We have replaced the MAF sensor, plugs, rotor, cap, plug wires, and fuel filter. The fuel pressure is at 50psi when idling and 64 wot when driving.

Can a bad O2 sensor cause a Chevy Blazer to go bad?

Your Blazer can exhibit symptoms when the Oxygen sensor has gone bad. Or, it may exhibit none at all. Often enough, the only sign of the problem at all is the service engine soon light being on. The good news is, if you end up discovering that the oxygen sensor is bad, they really aren’t that expensive to replace.

What causes hesitation and surging on Blazer 4.3L?

Fix Hesitation and surging on Blazer 4.3L If you have Hesitation and surging on Blazer 4.3L and it’s driving like a dog—poor acceleration, hesitation, or a surge and you suspect a fuel problem, you may be partially right.

How to fix no brake lights Chevy Trailblazer?

Chevy Trailblazer- No Brake Lights! It’s an easy fix.. – YouTube If playback doesn’t begin shortly, try restarting your device. Videos you watch may be added to the TV’s watch history and influence TV recommendations.

When does the ABS light come on on a trailblazer?

Your Chevy Trailblazer’s ABS Light comes on when it fails a self diagnostic cycle. When on, it indicates that the Trailblazer does not have Anti-Lock brakes, and the safety they provide. Your Trailblazer’s ABS system uses a system of sensors to determine wheel speed when braking.

Can a brake booster be replaced on a blazer?

I have a 95′ S-10 Blazer, mileage 136,000 and when I press the brake pedal I hear a hissing noise and the brakes become really stiff, not to the floor like other forums I have read. I have been told that the brake booster needs to be replaced?

Why are the brakes on my 2005 Chevy Trailblazer not working?

The anti-lock brake system in my 2005 Chevy Trailblazer ls at times does not work. When I apply my brake the brake makes a noise sounding like grinding, not catching or holding, slips and goes to the floor. I have to rapidly act with swiftness within a short time to reapply my brakes in hopes they work.

What kind of mileage does a 2005 Chevrolet TrailBlazer have?

The contact owns a 2005 Chevrolet Trailblazer. While parking, the vehicle stalled and the ABS and service brake system warning indicators illuminated. The vehicle was not diagnosed or repaired. The manufacturer was made aware of the failure. The failure mileage was 89,000. The contact owns a 2005 Chevrolet Trailblazer.

Why does the brake only work when the car is running?

It’s likely an MC. The seals in the pistons are probably passing fluid. The power assist only helps apply the brakes. It’s simply a diaphragm pulled by engine vacuum in line with the rod that pushes into the MC when you apply the brakes. If it fails, the assist disappears but the brakes still work.

How can you tell if your brake booster is bad?

There are many ways to identify a bad master cylinder or brake booster. You can feel brakes are so spongy or very soft under your leg, or there is a leakage in the master cylinder. You can also feel that the brake pedal is hard to press, or the engine is stalling and stop working while braking.

Why is the spark chain on my trailblazer not working?

The timing chain (or belt) is responsible for keeping the upper valve train synced with the crankshaft. This is vital for spark timing. If the timing is off a little and the engine still runs, the timing belt may have skipped. If it has jumped too much the Trailblazer may not even fire.

Do you need Spotless throttle bodies on a trailblazer?

The Trailblazer throttle bodies need to be near spotless for it to make a difference. All inside and behind the throttle blade, etc. Yes i removed it and cleaned it spotless, you could eat off it.

What kind of SUV is a 2002 Chevy Trailblazer?

The 2002 Chevrolet Trailblazer is a four door SUV available in LS, LT and LTZ trim levels.

Why does my 2005 Chevy Trailblazer die at idle?

Clean it thoroughly and then take it on a test drive. Once the idle is re-learned, your problem will be solved. Also the radio control **** to turn channels or volume and on and off won’t work the radio and cd will switch back and forth,, what could could cause this — 2005 trailblazer.

How often do I need to repair my 2002 Chevrolet TrailBlazer?

Repairs now, each year, 600-800. Normal for wear and tear and ahem, my abuse. Cat converter, motor mounts, brake vac booster and such. Well worth it to avoid a car payment! Now can we talk about wifes ’13 Honda CRV.

What kind of engine does a Chevrolet TrailBlazer have?

The lowered suspension compared to the LT or LS trailblazers gives it a nice and snug feel when cornering, the MASSIVE 6.0L V8 LS2 engine gives you all the power you could want, and the stylish leather/suede seats with seat warmers give you all the comfort you could want.

Is there a recall on a 2005 Chevrolet TrailBlazer?

Following hundreds of complaints and a few accidents allegedly caused by the malfunction, the National Highway Traffic Safety Administration (NHTSA) opened an investigation into the issue in May 2011. Unfortunately for frustrated owners, no recall has been announced.

What causes a trailblazer to shake when idling?

Here are the main components of the ignition system, as well as what would cause them to make your Trailblazer shake when idling. Fouled plugs can cause a misfire, which in turn causes an idle shake. Spark Plugs – One of the absolute most common causes (if not the most common reason that your Trailblazer may be shaking) is the spark plugs.

Why does my Chevy Trailblazer keep stalling out?

If your Chevy Trailblazer’s engine timing is off, it’s going to stall out, misfire, and altogether not run properly. Here are some of the more common causes of an engine timing problem:

What causes a bad throttle position sensor on a trailblazer?

Here’s a great article on diagnosing a bad throttle position sensor from cars direct. MAF/MAP Sensors – These sensors are responsible for air measurement. When they go bad, your Trailblazer may not be letting in the right amount of air for a quality air/fuel mixture. Here’s more on diagnosing a bad mass airflow sensor .